CN212953077U - Prevent pneumatic ash conveying device of jam - Google Patents
Prevent pneumatic ash conveying device of jam Download PDFInfo
- Publication number
- CN212953077U CN212953077U CN202021960458.9U CN202021960458U CN212953077U CN 212953077 U CN212953077 U CN 212953077U CN 202021960458 U CN202021960458 U CN 202021960458U CN 212953077 U CN212953077 U CN 212953077U
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- Prior art keywords
- air inlet
- pipeline
- conveying pipeline
- bin pump
- conveying
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- Withdrawn - After Issue
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- 238000005243 fluidization Methods 0.000 claims description 8
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 23
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses a prevent defeated grey device of strength of jam mainly solves the easy jam of current defeated grey device conveying pipeline of strength, causes the problem that dust conveying efficiency is low. The pneumatic ash conveying device comprises a bin pump, an air inlet and an air outlet which are arranged on two sides of the bottom of the bin pump and are communicated with the interior of the bin pump, an air inlet pipeline connected with the air inlet, a conveying pipeline connected with the air outlet, an ash storage tank connected with the other end of the conveying pipeline, a fluidizing pipe group used for fluidizing materials in the bin pump, and a pressurizing pipe group used for pressurizing the far end of the conveying pipeline. Through the design, the utility model discloses a pneumatic ash conveying device can effectively avoid the discharge gate of storehouse pump to block up. Meanwhile, the air pressure lost at the far end of the conveying pipeline is supplemented through the pressurization pipe group, so that the pipeline is prevented from being blocked by materials attached to the inner wall of the conveying pipeline, the failure rate of the pneumatic ash conveying device is reduced, and the working efficiency of the device is improved. Therefore, the method is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of the defeated ash technique of strength and specifically relates to a prevent defeated ash device of strength of jam.
Background
Coal-fired thermal power generation is a main power generation form in China, and the main principle is as follows: the coal is sent to the boiler, the chemical energy of the coal is converted into heat energy in the boiler and absorbed by water and water vapor, the steam does work in the steam turbine and is converted into mechanical energy, and the steam turbine drives the generator rotor to rotate so as to convert the mechanical energy into electric energy and transmit the electric energy to a user.
In the coal-fired thermal power generation technology, a large amount of dust is generated during fuel combustion, and the dust is collected by a dust removal device and then needs to be conveyed to a specified ash warehouse through a pneumatic ash conveying system for additional treatment. Defeated material in-process is carried out to the dust, along with the extension of carrying the distance, along journey increase gradually, the steady speed of material disappears gradually, because the poor existence of material gas, material gas separation phenomenon appears, and the dust is attached to on the pipe wall easily, and long-term can cause pipeline's jam, reduces the efficiency that the dust was carried.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent pneumatic ash conveying device of jam mainly solves the easy jam of current pneumatic ash conveying device conveying pipeline, causes the problem that dust conveying efficiency is low.
In order to achieve the above object, the utility model adopts the following technical scheme:
an anti-clogging pneumatic ash conveying device comprises a bin pump, an ash bucket connected with the top end of the bin pump through a feeding pipe, an air inlet and an air outlet which are arranged on two sides of the bottom of the bin pump and communicated with the interior of the bin pump, an air inlet pipeline connected with the air inlet, a conveying pipeline connected with the air outlet, an ash storage tank connected with the other end of the conveying pipeline, a four-way joint connected with the other end of the air inlet pipeline, a fluidizing pipe group connected with one interface of the four-way joint and extending into the interior of the bin pump, a pressurizing pipe group with one end connected with the other interface of the four-way joint and the other end connected with a far-end pipe body of the conveying pipeline, a freezing dryer connected with a main air inlet of the four-way joint, an air storage tank connected with the freezing dryer and; and exhaust valves are arranged at the top of the bin pump and the top of the ash storage tank.
Further, a feeding valve is arranged on the feeding pipe.
Furthermore, the pressure boost nest of tubes includes the pressure boost person in charge who links to each other with the cross joint, is responsible for a plurality of pressure boost branch pipes that link to each other with the pressure boost, sets up the admission valve on pressure boost branch pipe to and the symmetry sets up the pressure-equalizing intake pipe that is used for communicateing pressure boost branch pipe and pipeline on pipeline's pipe wall.
Furthermore, a plurality of remote pressure gauges are arranged on the conveying pipeline.
Furthermore, ultrasonic material level meters are arranged on the bin pump and the ash storage tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a set up the cross joint, utilize the cross joint to connect fluidization nest of tubes and pressure boost nest of tubes, carry out the fluidization through the dust material of fluidization nest of tubes in to the storehouse pump and carry, the discharge gate jam of the dust material of being convenient for avoiding the storehouse pump. Meanwhile, the air pressure lost at the far end of the conveying pipeline is supplemented through the pressurization pipe group, so that the pipeline is prevented from being blocked by materials attached to the inner wall of the conveying pipeline, the failure rate of the pneumatic ash conveying device is reduced, and the working efficiency of the device is improved.
(2) The utility model discloses a set up the freeze dryer, cool down, dry the air after the compression, get rid of the steam in the compressed air, meet high temperature and explode when avoiding the dust to carry, also avoid steam to condense, adhere to the dust in pipeline when reducing safe risk.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the connection structure schematic diagram of the middle pressure-equalizing intake pipe of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-bin pump, 2-feeding pipe, 3-ash bucket, 4-air inlet, 5-air outlet, 6-air inlet pipeline, 7-conveying pipeline, 8-ash storage tank, 9-four-way joint, 10-fluidization pipe group, 11-pressurization pipe group, 12-freezing dryer, 13-air storage tank, 14-air compressor, 15-exhaust valve, 16-feeding valve, 17-pressurization main pipe, 18-pressurization branch pipe, 19-air inlet valve, 20-pressure equalizing air inlet pipe, 21-remote pressure gauge and 22-ultrasonic material level gauge.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in figures 1 and 2, the utility model discloses a prevent pneumatic ash conveying device of jam, including storehouse pump 1, storehouse pump 1 top is connected with ash bucket 3 through inlet pipe 2, is provided with feed valve 16 on its inlet pipe 2, and the dust of treating the transport enters into the storehouse pump through the ash bucket to through the volume of advancing of feed valve 16 control dust material.
Air inlet 4 and gas outlet 5 that are linked together with 1 inside of storehouse pump are provided with to 1 bottom both sides of this storehouse pump, and inlet duct 6 is connected to 4 one ends of air inlet, and pipeline 7 is connected to 5 one ends of gas outlet, and pipeline 7 other end connection ash storage tank 8, and the gas of carrying the dust material gets into from air inlet one end and forms the air current, and the air current carries the dust material to send the dust into ash storage tank 8 through pipeline. And exhaust valves 15 are arranged at the top of the bin pump 1 and the top of the ash storage tank 8 and used for exhausting gas conveyed by the materials. And ultrasonic material level meters 22 are further arranged on the bin pump 1 and the ash storage tank 8 and are used for monitoring the storage amount of the dust materials in the bin pump 1 and the ash storage tank 8.
In order to enable the dust material to be conveyed more smoothly, the other end of the air inlet pipeline 6 is connected with a four-way joint 9, one interface of the four-way joint 9 is connected with a fluidization pipe group 10 extending to the interior of the bin pump 1, and a plurality of air outlet holes are formed in the tail end of the fluidization pipe group 10 and used for enabling the dust material to be conveyed in a fluidization mode, so that the conveying efficiency is improved. The other interface of the four-way joint 9 is connected with a booster tube group 11, and the other end of the booster tube group 11 is connected with the far-end tube body of the conveying pipeline 7.
In this embodiment, the pressure boost pipe group 11 includes a pressure boost main pipe 17 connected to the four-way joint 9, a plurality of pressure boost branch pipes 18 connected to the pressure boost main pipe 17, an air inlet valve 19 disposed on the pressure boost branch pipes 18, and a pressure equalizing air inlet pipe 20 symmetrically disposed on the pipe wall of the delivery pipe 7 for communicating the pressure boost branch pipes 18 and the delivery pipe 7. And a plurality of remote pressure gauges 21 are arranged on the conveying pipeline 7. The number of pressure branch pipes 18 may be provided in plurality according to the actual length of the conveying pipe. The pressure equalizing inlet pipe 20 arranged symmetrically to the transfer pipe 7 makes the inlet air more uniform. Therefore, the pressurization control of the pressurization branch pipe can be realized according to the monitoring of the pressure gauge. The pressure of the loss of the far end of the conveying pipeline is supplemented in time, the gas-material separation of the material in the conveying pipeline is avoided, and the dust material is prevented from adhering to the pipe wall of the conveying pipeline to influence the conveying efficiency.
In this embodiment, the main air inlet of the four-way joint 9 is connected to a freeze dryer 12, the freeze dryer 12 is connected to an air tank 13, and the other end of the air tank 13 is connected to an air compressor 14. Such design makes the air after the compression can cool down, dry, gets rid of the steam in the compressed air, meets high temperature and takes place the explosion when avoiding the dust to carry, also avoids steam to condense, adhere to the dust in conveying pipeline when reducing safe risk.
Through the design, the utility model discloses a pneumatic ash conveying device can effectively avoid the discharge gate of storehouse pump to block up. Meanwhile, the air pressure lost at the far end of the conveying pipeline is supplemented through the pressurization pipe group, so that the pipeline is prevented from being blocked by materials attached to the inner wall of the conveying pipeline, the failure rate of the pneumatic ash conveying device is reduced, and the working efficiency of the device is improved. Therefore, compared with the prior art, the utility model has the substantive characteristics and progress.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (5)
1. An anti-clogging pneumatic ash conveying device is characterized by comprising a bin pump (1), an ash bucket (3) connected with the top end of the bin pump (1) through a feeding pipe (2), an air inlet (4) and an air outlet (5) which are arranged on two sides of the bottom of the bin pump (1) and communicated with the interior of the bin pump (1), an air inlet pipeline (6) connected with the air inlet (4), a conveying pipeline (7) connected with the air outlet (5), an ash storage tank (8) connected with the other end of the conveying pipeline (7), a four-way joint (9) connected with the other end of the air inlet pipeline (6), a fluidization pipe group (10) connected with one interface of the four-way joint (9) and extending to the interior of the bin pump (1), a pressurization pipe group (11) with one end connected with the other interface of the four-way joint (9) and the other end connected with the far-end pipe body of the conveying pipeline (7), and a freezing dryer (12) connected with the main air inlet of, an air reservoir (13) connected to the freeze dryer (12), and an air compressor (14) connected to the air reservoir (13); wherein, exhaust valves (15) are arranged at the top of the bin pump (1) and the top of the ash storage tank (8).
2. An anti-clogging pneumatic ash conveying device according to claim 1, characterized in that the feeding pipe (2) is provided with a feeding valve (16).
3. The anti-clogging pneumatic ash conveying device according to claim 2, wherein the booster pipe group (11) comprises a booster main pipe (17) connected with the four-way joint (9), a plurality of booster branch pipes (18) connected with the booster main pipe (17), air inlet valves (19) arranged on the booster branch pipes (18), and pressure equalizing air inlet pipes (20) symmetrically arranged on the pipe wall of the conveying pipeline (7) and used for communicating the booster branch pipes (18) with the conveying pipeline (7).
4. An anti-clogging pneumatic ash conveying device according to claim 3, characterized in that a plurality of remote pressure gauges (21) are arranged on the conveying pipeline (7).
5. An anti-clogging pneumatic ash conveying device according to claim 4, characterized in that the ultrasonic level meter (22) is arranged on both the bin pump (1) and the ash storage tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960458.9U CN212953077U (en) | 2020-09-09 | 2020-09-09 | Prevent pneumatic ash conveying device of jam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960458.9U CN212953077U (en) | 2020-09-09 | 2020-09-09 | Prevent pneumatic ash conveying device of jam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212953077U true CN212953077U (en) | 2021-04-13 |
Family
ID=75365822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021960458.9U Withdrawn - After Issue CN212953077U (en) | 2020-09-09 | 2020-09-09 | Prevent pneumatic ash conveying device of jam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212953077U (en) |
-
2020
- 2020-09-09 CN CN202021960458.9U patent/CN212953077U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210413 Effective date of abandoning: 20231211 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210413 Effective date of abandoning: 20231211 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |